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Total 9 documents matching your query.

1. [TowerTalk] aluminum mast again (score: 1): Author: steve sala <stetrekve@yahoo.com>; Date: Tue, 2 Sep 2003 13:49:58 -0700 (PDT); This topic has probably come up countless times before but I am on the verge of making a decison this week for my installation. I will have a M2 2M5WL 2 meter beam (17 element, 33' boom, 13 lb), the; /archives//html/Towertalk/2003-09/msg00028.html (8,497 bytes)
2. Re: [TowerTalk] aluminum mast again (score: 1): Author: K7LXC@aol.com; Date: Tue, 2 Sep 2003 17:23:17 EDT; The antennas up on the mast are relatively small so the bending moment they exert on the mast vis-a-vis your low windspeed rating is also relatively small. The aforementioned aluminum has a yield str; /archives//html/Towertalk/2003-09/msg00032.html (9,412 bytes)
3. Re: [TowerTalk] aluminum mast again (score: 1): Author: K4IA@aol.com; Date: Tue, 2 Sep 2003 17:42:36 EDT; You can buy the MARC program from Champion Radio for $10 and it will calculate this for you even suggesting the type of mast material. They will email the program to you. It would be $10 will spent.; /archives//html/Towertalk/2003-09/msg00035.html (8,108 bytes)
4. Re: [TowerTalk] aluminum mast again (score: 1): Author: steve sala <stetrekve@yahoo.com>; Date: Tue, 2 Sep 2003 15:21:42 -0700 (PDT); Thanks for the reply. The 16" should read be 16 feet for the approximate mast out of the top of the tower. The 2 meter antenna is: 2.7 sq ft The 6 meter antenna is: 2.5 sq ft The Force 12 C32XR is: 1; /archives//html/Towertalk/2003-09/msg00037.html (10,924 bytes)
5. Re: [TowerTalk] aluminum mast again (score: 1): Author: KI7WX@aol.com; Date: Tue, 2 Sep 2003 23:39:04 EDT; Last week I purchased a 24 foot length of 6061-T6 2" OD x 0.250" wall tube for $10 a foot (shipped right to my door in a residential neighborhood) from TW Metals. If I had been close enough to one of; /archives//html/Towertalk/2003-09/msg00047.html (8,383 bytes)
6. Re: [TowerTalk] aluminum mast again (score: 1): Author: steve sala <stetrekve@yahoo.com>; Date: Tue, 2 Sep 2003 21:52:33 -0700 (PDT); Do you remember what the 24 foot aluminum mast weighed? I was quoted $5.90 a foot from Alcobra locally but I did not get the weight. I have a 23.5 foot steel mast that weighs 98 lb and that is pretty; /archives//html/Towertalk/2003-09/msg00048.html (9,887 bytes)
7. Re: [TowerTalk] aluminum mast again (score: 1): Author: K7LXC@aol.com; Date: Thu, 4 Sep 2003 09:41:05 EDT; Hi, Steve -- The bending moment is 18,641 in-lbs. The mast recommended needs a yield strength of 42,000 psi and 0.188" wall. Since the yield strength of the of 6061-T6 is 35,000 psi, you're pretty cl; /archives//html/Towertalk/2003-09/msg00088.html (8,416 bytes)
8. [TowerTalk] Aluminum Mast Again (score: 1): Author: <kk9a@arrl.net>; Date: Thu, 4 Sep 2003 22:08:42 -0000; You can use a heaver wall or larger diameter for increased strength. I just purchased a 56# - 2 1/2" diameter x 1/2 wall x 15' aluminum mast for $250 from http://www.metalexpress.net . John Hi, Steve; /archives//html/Towertalk/2003-09/msg00107.html (8,909 bytes)
9. Re: [TowerTalk] aluminum mast again (score: 1): Author: N6CW@aol.com; Date: Thu, 4 Sep 2003 19:26:41 EDT; I am using a MA770 with a 10 foot aluminum mast (1/4 inch wall) out the top. I have done a lot of experimenting with various antennas and the mast has been tightened down in many different places alo; /archives//html/Towertalk/2003-09/msg00109.html (9,589 bytes)

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